| 7079466 |
Method and device for recording marks in an information layer of an optical record carrier |
— |
2006-07-18 |
| 6127049 |
Rewritable optical information medium |
Guo-Fu Zhou |
2000-10-03 |
| 6040066 |
Rewritable optical information medium |
Guo-Fu Zhou, Johannes C. N. Rijpers, Hermanus Borg |
2000-03-21 |
| 5965229 |
Optical recording medium |
Guo-Fu Zhou |
1999-10-12 |
| 5802032 |
Method and device for recording a mark having a substantially constant number of pulses per unit length independent of writing speed on an optical information carrier |
James Coombs, Johannes H. M. Spruit, Johan P. W. B. Duchateau, Guofu Zhou |
1998-09-01 |
| 5719614 |
Optical reading and recording device containing a radiation source which has a substantially constant mean heat dissipation during reading and recording |
Coen T. H. F. Liedenbaum |
1998-02-17 |
| 5604003 |
Optical information carrier |
James Coombs, Wilma Van Es-Spiekman, Adrianus P. J. M. Jongenelis |
1997-02-18 |
| 5553038 |
Magneto-optical record carrier with recording track structure suited for high density recording |
Johannes H. M. Spruit, Cornelis M. J. Van Uijen |
1996-09-03 |
| 5442597 |
Apparatus for writing and reading a magneto-optical record carrier |
Johannes H. M. Spruit, Cornelis M. J. Van Uijen |
1995-08-15 |
| 5371721 |
Method and apparatus for writing and reading a magneto-optical record carrier |
Franciscus J. A. M. Greidanus, Johannes H. M. Spruit |
1994-12-06 |
| 5321682 |
Method of and device for recording information on a record carrier having a recording layer which, when heated, undergoes an optically detectable change |
Johannes H. M. Spruit, Wilhelmus H. A. M. Bardoel |
1994-06-14 |
| 5307328 |
Magneto-optical scanning device with small coil |
Petrus A. M. Van Grinsven, Wilfred A. M. Snijders, Johannes H. M. Spruit |
1994-04-26 |
| 5282095 |
Direct over-write magneto-optical recording medium having multiple recording layers, and method of recording new information by directly overwriting pre-existing recorded information on such medium |
Johannes H. M. Spruit |
1994-01-25 |
| 5126985 |
Method of recording information on a record carrier of the thermomagnetic type, and device for carrying out the method |
Johannes H. M. Spruit, Hendricus F. J. J. Van Tongeren, Piet F. Bongers |
1992-06-30 |
| 5065377 |
Method of and apparatus for writing and reading a magneto-optical record carrier with an information density greater than that corresponding to the size of the scanning spot |
Johannes H. M. Spruit |
1991-11-12 |
| 5014254 |
Magneto-optical recording method and magneto-optical recording apparatus |
Gerard E. Van Rosmalen, Johannes H. M. Spruit |
1991-05-07 |
| 4476214 |
Optical information disk comprising tellurium, selenium and antimony |
Pieter Zalm, Adriaan W. De Poorter |
1984-10-09 |
| 4290075 |
Optical recording device having several ablative recording layers |
Adriaan W. De Poorter, Pieter Zalm |
1981-09-15 |
| 4230915 |
Record carrier with an optically readable radiation-reflecting information structure |
Jan G. Dil |
1980-10-28 |
